// Copyright (c) Appeon. All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. 
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.

using System;
using System.Linq.Expressions;
using Microsoft.Extensions.DependencyInjection;

namespace SnapObjects.Expressions
{
    internal class CompileExpressionParser : ParserBase, ICompileExpressionParser
    {
        private readonly IExpressionVisitor<Expression> _visitor;

        public CompileExpressionParser(IServiceProvider provider) : base(provider)
        {
            _visitor = provider.GetService<IExpressionVisitor<Expression>>();
        }

        public ICompileScript Parse(CompileParserOptions options)
        {
            var context = this.GetContext(options.Expression);

            var body = _visitor.Visit(context, options);

            return new CompileScript(body, options);
        }
    }
}
